package com.hqq.exercise.tree;

/**
 * TreeNode
 * 二叉树节点
 * Created by heqianqian on 2017/8/11.
 */
public class TreeNode {

    public int val;
    public TreeNode left;
    public TreeNode right;

    public TreeNode() {
    }

    public TreeNode(int val) {
        this.val = val;
    }
}
